Home / 45,182.30-67,773.46-21,854.30

Finding the Fourth Proportional to 45,182.30, 67,773.46 and 21,854.30

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Solution

The fourth proportional to 45,182.30, 67,773.46 and 21,854.30 is: 32,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,182.30 : 67,773.46 = 21,854.30 : x
  2. Step 2: Convert to fraction form
    45,182.30/67,773.46 = 21,854.30/x
  3. Step 3: Cross multiply
    45,182.30x = 67,773.46 × 21,854.30
  4. Step 4: Simplify right side
    45,182.30x = 1,481,141,526.88
  5. Step 5: Solve for x
    x = 1,481,141,526.88/45,182.30
  6. Step 6: Final answer
    x = 32,781.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.